package Day04;

import java.util.Scanner;

//Scanner的演示
public class ScannerDemo {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in); //2.新建一个扫描仪，叫scan
        System.out.println("请输入年龄:");
        int age = scan.nextInt(); //3.扫描一个整数并赋值给age
        System.out.println("请输入商品价格:");
        double price = scan.nextDouble(); //3.扫描一个小数并赋值给price
        System.out.println("年龄为:"+age+"，价格为:"+price);
    }
}
/*
package java.util;
class Scanner{
  Scanner (InputStream s ){...}
  int nextInt(){....}
  double(){...}
  }


  import java.util.Scanner;
  Scanner scan = new Scanner(System.in);
  int age = scan.nextInt();
  double price = scan.nextInt();
  */














